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Unformatted text preview: phylogeny with knowledge of current (and past) distributions inferences about where taxa originated and their history of dispersal to other areas. Example: biogeography and evolution of wild horses BIS2C W2011 Lecture 5 (10 January 2010) 2 4. Molecular Clocks to time historical or evolutionary events Concept of molecular clock Chronograms: typically built with DNA data; calibrated with known times from the fossil record Caveats and assumptions Example: when did humans start wearing clothes? 5. Phylogeny and conservation biology Phylogenies can make predictions about species that might be invasive pests. identify previously unsuspected diversity reveal the major lineages within a larger clade emphasize the conservation of deeper evolutionary history Phylogenetic patterns in invasive species. Example: Strauss study of invasive grasses in California. Example: cichlid fishes in east Africa...
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